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11221202112001 = 72791275743009
BaseRepresentation
bin1010001101001010001111…
…0001000000111000000001
31110201201212212110020201021
42203102203301000320001
52432322010220041001
635510541000305441
72235463564130050
oct243224361007001
943651785406637
1011221202112001
113636981068722
1213128b1a72281
136352021a171b
142ab17545c397
15146d511a0ba1
hexa34a3c40e01

11221202112001 has 8 divisors (see below), whose sum is σ = 12824279162240. Its totient is φ = 9618137106048.

The previous prime is 11221202111947. The next prime is 11221202112019. The reversal of 11221202112001 is 10021120212211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11221202112001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11221202112091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917616 + ... + 4825393.

It is an arithmetic number, because the mean of its divisors is an integer number (1603034895280).

Almost surely, 211221202112001 is an apocalyptic number.

It is an amenable number.

11221202112001 is a deficient number, since it is larger than the sum of its proper divisors (1603077050239).

11221202112001 is an equidigital number, since it uses as much as digits as its factorization.

11221202112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6022143.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11221202112001 its reverse (10021120212211), we get a palindrome (21242322324212).

The spelling of 11221202112001 in words is "eleven trillion, two hundred twenty-one billion, two hundred two million, one hundred twelve thousand, one".

Divisors: 1 7 279127 1953889 5743009 40201063 1603028873143 11221202112001